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Propane Grill Fuel Duration Calculator

Hours of grilling per propane tank.

Compute how many hours a propane tank will run a gas grill, from the tank weight, the grill's rated BTU output, and propane's energy density (≈ 21 591 BTU per pound of propane).

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

lb
BTU/h

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Hours = tank_lb · 21 591 / grill_btu_per_hour

In depth

Compute how many hours a propane tank will run a gas grill, from the tank weight, the grill's rated BTU output, and propane's energy density (≈ 21 591 BTU per pound of propane).